Toshiba Portege M200 Maintenance Manual page 71

2.5 USB 3.5" FDD Troubleshooting
Procedure 3 Connector Check and Replacement Check
The USB FDD connector may be disconnected from the connector on the system board.
Check visually that the connector is connected firmly.
Check 1 Make sure the USB FDD cable is firmly connected to the PJ4600 or PJ4601 of the
system board.
If any of the connections are loose, reconnect firmly and repeat Procedure 2. If
there is still an error, go to Check 2.
Check 2 The USB FDD may be defective or damaged. Replace it with a new one. If the
FDD is still not functioning properly, perform Check 3.
Check 3 Replace the system board with a new one following the steps in Chapter 4,
Replacement Procedures.
Portege M200 Maintenance Manual (960-457)
System board
USB FDD
PJ4600 or PJ4601
2 Troubleshooting
2-33